#!/usr/bin/env node

// inject-okr-context.mjs
// Event: UserPromptSubmit
// Purpose: Inject OKR organization context from .claude/okr.local.md when configured.
// Zero npm dependencies. Target execution: <20ms.

import { readFileSync, existsSync } from 'node:fs';
import { join } from 'node:path';

const configPath = join(process.cwd(), '.claude', 'okr.local.md');

if (!existsSync(configPath)) {
  process.exit(0);
}

try {
  const content = readFileSync(configPath, 'utf8');
  const match = content.match(/^---\n([\s\S]*?)\n---/);
  if (!match) process.exit(0);

  const fm = match[1];
  const get = (key) => {
    const m = fm.match(new RegExp(`${key}:\\s*["']?([^"'\\n]+)["']?`));
    return m ? m[1].trim() : null;
  };

  const org = get('navn') || get('name');
  const syklus = get('gjeldende') || get('current_cycle');
  const sektor = get('sektor') || get('sector');
  const linear = fm.includes('aktivert: true') || fm.includes('enabled: true');

  if (!org) process.exit(0);

  const parts = [`Organisasjon: ${org}`];
  if (syklus) parts.push(`Gjeldende syklus: ${syklus}`);
  if (sektor) parts.push(`Sektor: ${sektor}`);
  if (linear) parts.push('Linear: aktivert');

  const systemMessage = `OKR-kontekst (fra .claude/okr.local.md): ${parts.join(', ')}.`;
  process.stdout.write(JSON.stringify({ systemMessage }));
} catch {
  // Graceful exit on any error — never block the user
  process.exit(0);
}